Amid protests in India over E20 petrol, its impact on vehicle performance and mileage, and a debate about whether it will end up damaging critical components, a BJP MP, who is also an engineer, has ...

This video demonstrates a working, power‑producing Stirling engine — an external combustion engine that operates without ...

DETROIT, MI -- The buzz at the SAE 2008 World Congress here was over a water-lubricated external combustion engine that uses steam to power automobiles, lawn mowers and stationary generators. Known as ...

MILFORD, OH – When startup Hyliion Holdings paid $35 million to General Electric to purchase its Karno generator technology a couple of years ago, CEO Thomas Healy saw it as a second method to power ...

Refrigeration is commonplace in the modern era. We use it to keep our food from spoiling, to cool our homes and workplaces, and to keep our car cabins from becoming saunas. There are even specific ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. We go for better ...